storj/pkg/satellite/satelliteauth/hmac.go

29 lines
483 B
Go
Raw Normal View History

// Copyright (C) 2018 Storj Labs, Inc.
// See LICENSE for copying information.
package satelliteauth
import (
"crypto/hmac"
"crypto/sha256"
)
//TODO: change to JWT or Macaroon based auth
// Hmac is hmac256 based Signer
type Hmac struct {
Secret []byte
}
// Sign implements satellite signer
func (a *Hmac) Sign(data []byte) ([]byte, error) {
mac := hmac.New(sha256.New, a.Secret)
_, err := mac.Write(data)
if err != nil {
return nil, err
}
return mac.Sum(nil), nil
}